How to produce high quality finished parts
In terms of additive manufacturing of finished and certified parts, it is extremely important to have reliable, efficient, controllable and repeatable processes. In terms of additive manufacturing of finished and certified parts, it is extremely important to have reliable, efficient, controllable and repeatable processes.
Among the several innovations introduced in the FFF 3D printing technology by the Roboze team, it is necessary to focus on the heated chamber’s system.
The heated chamber on the Roboze Production printers has an insulated stainless steel structure capable of reaching a homogeneous temperature of 180 ° C in less than 2 hours. The management of high temperatures takes place through the integration of systems to compensate the thermal expansion, located in mechanics, in the auto-leveling system and in the insulation and active refrigeration of electrical components.
The management of the heat flow in the Roboze heated chamber provides for the aspiration of air through a collector positioned on the bottom and, following active heating in the cavity, the re-introduction into the chamber through the left and right side walls.
In this way it is possible to guarantee a homogeneous thermal flow throughout the printing volume, avoiding warping, delaminations and heat shielding phenomena tha could accur witha unidirectional flow and multiple parts positioned on the build plate.
Finally, by integrating the printing process with a thermal post-processing such as annealing, it is possible to release the residual stresses accumulated by the material during extrusion, obtaining optimal recrystallization and improving the mechanical properties of the parts produced.
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